Character recognition. There are two basic types of core OCR algorithm, which may produce a ranked list of candidate characters. Matrix matching involves comparing an image to a stored glyph on a pixel-by-pixel basis; it is also known as pattern matching, pattern recognition, or image correlation.
1 Liquid Fire, eight-piece rock band from Saint Joseph, Missouri. 2  A single from L'Enfant Sauvage, the fifth album by the French progressive death / groove metal band Gojira.
The choice of the right fire extinguisher depends on the type of a flammable substance. Substances are classified in so called Classes of fire. class. type of flammable substance. A. burning of solids burning with a flame or glow. B. burning of liquids and combustibles which turn in liquids.